/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.operator.aggregation;

import io.trino.spi.Page;
import io.trino.spi.block.Block;
import io.trino.spi.block.BlockBuilder;

import java.util.Optional;

public interface Accumulator
{
    long getEstimatedSize();

    Accumulator copy();

    void addInput(Page arguments, Optional<Block> mask);

    void addIntermediate(Block block);

    void evaluateIntermediate(BlockBuilder blockBuilder);

    void evaluateFinal(BlockBuilder blockBuilder);
}
